| 单词 | thecostome | 
| 释义 | > as lemmasthecostome   thecostome  n.  Brit.  , U.S.   the orifice of the hydrotheca in calyptoblastic hydroids.				 [Compare French thécostome (1825 or earlier).]			ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > 			[noun]		 > class Hydrozoa > order Campanulariae > genus Campanularia > member of > orifice of hydrotheca thecostome1883 1883    Rep. Sci. Results Voy. H.M.S. Challenger: Zool. VII. xx. 7  				On either side of the hydrotheca, nearly on a level with its orifice or thecostome. < as lemmas  | 
	
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